Importance of photosynthesis
The sun is the main and ultimate source of energy for the planet we live on. Many forms of solar radiation exist but the most important form of radiation in biology and for photosynthesis are infared rays, ultraviolet rays and light rays. Photosynthesis is the way in which some specialised bateria and green plants use their chlorophyll to trap light energy and then use this energy to convert carbon dioxide and water to glucose and oxygen. The green colour in plants is from the chemical chlorophyll which is found in the chloroplasts in the cells of the plant. It is very concentrated in the leaves of the plants due to the surface of the leaf being flat which allows it to have a very big surface area to absorb light: Chlorophyll 6CO2 + 6H2O + Light -------> C6H12O6 + 6O2 The cells in the plant also require energy to carry out this function/reactions in the plant. This energy is required in very small amounts and is supplied in the form of ATP. In photosynthesis light energy is firstly used to make ATP to supply energy and make glucose. Animals consume glucose made by plants and convert it to ATP for their own use. This means that solar energy is the basic form on energy for all living organisms on this planet. Plants have two sources of carbon dioxide, one internal and another external. …show more content…
Most of the carbon dioxide used in photosynthesis comes from the atmosphere and enters the leaf through the stomata. This is the external source of carbon dioxide. Some of the carbon dioxide produced by the plants own cells in the process of respiration. The amount of carbon dioxide available is quite low. This affects the rate of photosynthesis i.e. The lower the level,the slower the rate of photosynthesis. Artificial sources of carbon dioxide can be used in greenhouses to increase crop growth, e.g. Carbon dioxide can be pumoped into the greenhouse. Deforestation and burning of fossil fuels leads to an increase in levels of carbon dioxide in the atmosphere which in turn leads to the greenhouse effect and global warming. Water is absorbed from the soil by the roots of the plants. The water passes up the the xylem vessels of the plant and up to the leaves. The leaf has many adaptions for photosynthesis. The leaf is flat which gives a large surface area and can absorb as much light as possible. The majorty of plants also have a waxy cuticle in the upper surface of the leaf. This prevents water loss/ evaporation. The products of phoosynthesis are glucose and oxygen. …show more content…
Glusoce can be used ny the plant for respiration or it can also be converted into starch for storage in the plant. If starch is found to be present in the leaves of a plant then this indicates that the plant has been photosynthesising.
Plants also use some of the oxygen produced in photosynthesis in the process of respiration. The remainder of the oxygen is released into the air through the stomata. If it can be shown that the plantis producing oxygen then that plant must be photosynthesing. By measuring the amount of oxygen which is released by a plant in a certain in a certain length of time, the rate of photosynthesis for that plant can be calculated. Grass is the most natural and cheapest feed for farmers in ireland. This is also the easiest way to produced the finest food for the humans on the planet. The sunny south east of ireland has the best climate due to the warm,moist weather they recieve. Grass is grazed very low to the groung nd this aids for better regrowth and leafier plants. If the animals are not able to eat all the grass topping of the grass is done. Topping is the mowing of grass to a height of five to seven centimetres. It is carried out post-grazing or if grass growth gets out of hand to remove any of the remaining grass. Topping cuts grass to the correct post-grazing height and encourages tillering. Tillering is the development of side shoots in a plant. This means more shoots will develop and then eventually leaves which benefits for photosynthesis.The more leaves that develop from the stem of the plant means better quality of grass and better quality animals.The greener and leafier the leaves of the plant are the more palatable the
The sun is the main and ultimate source of energy for the planet we live on. Many forms of solar radiation exist but the most important form of radiation in biology and for photosynthesis are infared rays, ultraviolet rays and light rays. Photosynthesis is the way in which some specialised bateria and green plants use their chlorophyll to trap light energy and then use this energy to convert carbon dioxide and water to glucose and oxygen. The green colour in plants is from the chemical chlorophyll which is found in the chloroplasts in the cells of the plant. It is very concentrated in the leaves of the plants due to the surface of the leaf being flat which allows it to have a very big surface area to absorb light: Chlorophyll 6CO2 + 6H2O + Light -------> C6H12O6 + 6O2 The cells in the plant also require energy to carry out this function/reactions in the plant. This energy is required in very small amounts and is supplied in the form of ATP. In photosynthesis light energy is firstly used to make ATP to supply energy and make glucose. Animals consume glucose made by plants and convert it to ATP for their own use. This means that solar energy is the basic form on energy for all living organisms on this planet. Plants have two sources of carbon dioxide, one internal and another external. …show more content…
Most of the carbon dioxide used in photosynthesis comes from the atmosphere and enters the leaf through the stomata. This is the external source of carbon dioxide. Some of the carbon dioxide produced by the plants own cells in the process of respiration. The amount of carbon dioxide available is quite low. This affects the rate of photosynthesis i.e. The lower the level,the slower the rate of photosynthesis. Artificial sources of carbon dioxide can be used in greenhouses to increase crop growth, e.g. Carbon dioxide can be pumoped into the greenhouse. Deforestation and burning of fossil fuels leads to an increase in levels of carbon dioxide in the atmosphere which in turn leads to the greenhouse effect and global warming. Water is absorbed from the soil by the roots of the plants. The water passes up the the xylem vessels of the plant and up to the leaves. The leaf has many adaptions for photosynthesis. The leaf is flat which gives a large surface area and can absorb as much light as possible. The majorty of plants also have a waxy cuticle in the upper surface of the leaf. This prevents water loss/ evaporation. The products of phoosynthesis are glucose and oxygen. …show more content…
Glusoce can be used ny the plant for respiration or it can also be converted into starch for storage in the plant. If starch is found to be present in the leaves of a plant then this indicates that the plant has been photosynthesising.
Plants also use some of the oxygen produced in photosynthesis in the process of respiration. The remainder of the oxygen is released into the air through the stomata. If it can be shown that the plantis producing oxygen then that plant must be photosynthesing. By measuring the amount of oxygen which is released by a plant in a certain in a certain length of time, the rate of photosynthesis for that plant can be calculated. Grass is the most natural and cheapest feed for farmers in ireland. This is also the easiest way to produced the finest food for the humans on the planet. The sunny south east of ireland has the best climate due to the warm,moist weather they recieve. Grass is grazed very low to the groung nd this aids for better regrowth and leafier plants. If the animals are not able to eat all the grass topping of the grass is done. Topping is the mowing of grass to a height of five to seven centimetres. It is carried out post-grazing or if grass growth gets out of hand to remove any of the remaining grass. Topping cuts grass to the correct post-grazing height and encourages tillering. Tillering is the development of side shoots in a plant. This means more shoots will develop and then eventually leaves which benefits for photosynthesis.The more leaves that develop from the stem of the plant means better quality of grass and better quality animals.The greener and leafier the leaves of the plant are the more palatable the